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key is not unlocking cylindrical lock ”

RELATED FAQS

Resolution:
The Von Duprin 7500 mortise lock body ships in the NL mode. Either the function of 7500 lock body has not been changed to the Classroom function or the NL Drive screw is not all the way down. Step...

Resolution:
Tips for changing the function:
The NL Drive screw will not be visible when lock body is set to Classroom function
There is locktite on the screw that makes it seem like its turned down enou...

Resolution:
Installers have reported that their AD-CO Series cylindrical or mortise locks will unlock whenever the outside lever is lifted.
This will occur if the outside spindle (square post) is install...

Resolution:
With the new FW package 2.19.0; AD300 FW 2.17.0 and AD400 FW 2.17.0 (released 09/23/2011) the firmware looks for a motor clutch switch change after a motor move command. If there is no motor clutch...

Resolution:
If the triangles in the spring cage spindle are not aligned properly the motor will not move enough to change the clutch switch.
Is is very likely with a lock on the bench; but a properly install...

Resolution:
When the new firmware moves the motor three times without seeing the clutch switch change it reports to the SUS diagnostics that the motor is stalled. Aligning the triangles will let the motor move...

Resolution:
If the lock is mounted on the door, it is necessary to adjust the mortis/cylinder tightness and spring cage tailpiece alignments, making sure there is no binding or stopping of the spring...

Resolution:
Just align the triangles per the installation instructions to allow full motor movement.
- This will eliminate the SUS motor STALL report.
- This will eliminate the three ...

Resolution:
The indicator on a cylindrical hotel lock is a small pin that projects outward from the face of the cylinder plug (Figure 1) when the inside push button is depressed. When this pin is pr...